Wapkia

Wapkia is an extinct genus of sea sponge with radial sclerites, known from the Middle Cambrian Burgess Shale. It was first described in 1920 by Charles Doolittle Walcott.^[2] 32 specimens of Wapkia are known from the Greater Phyllopod bed, where they comprise 0.06% of the community.^[3]

Wapkia Temporal range: Middle Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Order:	†Protomonaxonida
Family:	†Wapkiidae
Genus:	†Wapkia Walcott, 1920
Species
Wapkia grandis Walcott, 1920 Wapkia elongata Rigby & Collins, 2004[1]